2089408321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109859}}^1$

素因数の和:109909

約数の個数: 32

約数和(自身を含む): 2953036800

約数和(自身を除く): 863628479

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 1001, 1463, 1729, 2717, 19019, 109859, 769013, 1208449, 1428167, 2087321, 8459143, 9997169, 14611247, 15709837, 22960531, 27135173, 109968859, 160723717, 189946211, 298486903, 2089408321]

約数ペア:

[(1, 2089408321), (7, 298486903), (11, 189946211), (13, 160723717), (19, 109968859), (77, 27135173), (91, 22960531), (133, 15709837), (143, 14611247), (209, 9997169), (247, 8459143), (1001, 2087321), (1463, 1428167), (1729, 1208449), (2717, 769013), (19019, 109859)]